Your company asks you to compare a new advertising campaign

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Your company asks you to compare a new advertising campaign and the old one. Sample data on the accounts as follows:

Old: 40, 28, 35, 38, 31, 42, 26, 44, 29, 43

New: 29, 26, 31, 26, 28, 31, 19, 21, 27, 30

 

Calculate the mean, median, and mode.

Calculate variance and standard deviation for each set.

Calculate a 95% Confidence Interval for the two sets.

Reference no: EM13241069

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